Method and device for obtaining same-frequency cell correlation coefficient based on LTE network

Abstract

The invention relates to a method and a device for obtaining correlation coefficients of cells of the same frequency based on an LTE network. The method includes the steps of: obtaining the MR detection ratio of the same-frequency cell according to the MR data; determining the coverage cell of the main service road according to the frequency sweep data of the road; according to the total sampling points of the cell covered by the main service channel and the first RSRP difference in the preset range The sub-sampling points within the sub-sampling point to obtain the road detection ratio of the same-frequency cell; determine the maximum value of the MR detection ratio of the same-frequency cell and the road detection ratio of the same-frequency cell as the detection ratio of the same-frequency cell; The number of cut-out applications from neighboring cells and the total number of cut-out applications from the serving cell to all adjacent cells of the same frequency are used to obtain the cut-out ratio; according to the detection ratio and cut-out ratio of the same-frequency cells, the correlation coefficient of the same-frequency cells is obtained. The invention can make up for the lack of MR, accurately reflect the correlation of road sub-districts, and accurately reflect the relationship of edge sub-districts.

Description

technical field [0001] The present invention relates to the field of LTE (Long Term Evolution, long-term evolution of general mobile communication technology) network technology, in particular to a method for obtaining correlation coefficients of same-frequency cells based on LTE networks and a method for obtaining correlation coefficients of same-frequency cells based on LTE networks device. Background technique [0002] The LTE is a long-term evolution of the UMTS (Universal Mobile Telecommunications System, Universal Mobile Telecommunications System) technical standard formulated by the 3GPP (The 3rd Generation Partnership Project, Third Generation Partnership Project). The LTE system introduces key technologies such as OFDM (Orthogonal Frequency Division Multiplexing) and MIMO (Multi-Input&Multi-Output, multiple input multiple output), which significantly increases spectrum efficiency and data transmission rate; supports multiple bandwidth allocations , and supports the...

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Problems solved by technology

[0006] (1) Data integrity problem: the calculation of the correlation coefficient (that is, the MR detection ratio of the same frequency cell) is completely derived from the MR data collection, but the lack of MR is common at present, and the correlation between cells is often caused by the lack of MR. lost;

[0007] (2) Road cell correlation problem: The MR reporting interval is usually set to 5.12 seconds, and most mobile terminals on the road are in a high-speed state, especially on expressways

Due to the large time interval of MR sampling and the fast speed of mobile terminals, the correlation coefficient obtained from MR data cannot accurately reflect the correlation of road cells;

[0008] (3) Failure to accurately reflect the relationship between the edge cells: Most of the MR data collection comes from non-roaming users, that is, data collected in the same cell, which fails to accurately reflect the precise relationship between the two cell edges

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